Hotel Porta Fira wins the 2010 Emporis proclaimed as the best skyscraper in the world in front of the Burj Dubai, among others. The avant-garde building in red is located in the town of L'Hospitalet de Llobregat and has been designed by renowned Japanese architect Toyo Ito. The design of the Porta Fira Hotel Toyo Ito Santos was inspired by the organic form of a lotus flower.

The avant-garde facade is composed of a double skin on the inner wall consists of a sealed enclosure with a curtain wall system, while for the outer wall was made independent use of tubes of circular section with its characteristic red and are adapting to the formal geometry of the tower, "takes a long time deciding what shade of red was better."